 鲜花( 0)  鸡蛋( 0)
|
there are a few kinds of BH that help cars start from extreme cold weather,
+ m: [1 {: J2 `basically , BH keep the car warm by heating up the oil pan-which keeps the engine oil from frozen, or by heating up the coolant, and keep the engine block warm.; H' ` b9 D7 ~2 I+ {( G i
Either way, the engine shall not be frozen with use of BH.
* Q. k, W4 {# |' f& T, `' c- `( ] m: H) a ]' ~7 b
If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.1 q) s- F( n- |( d! `; a r( K
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
|